Cooler



FIG. 1 is an upper side perspective view of the cooler of the present design.

FIG. 2 is a left side view of the cooler of the present design.

FIG. 3 is a top plan view of the cooler of the present design.

FIG. 4 is a front elevational view of the cooler of the present design; and,

FIG. 5 is a bottom view of the cooler of the present design. 

The ornamental design for a cooler, as shown and described. 